Received below KitKat from a YouTube event and now I finally participated in the new Android's promotional campaign.
Issue: wrong URL, QR code not working, wrong location for both URL and QR code
Solution: use kitkat.co.kr instead; place URL and QR code below "STEP 2"
Issue: too much scroll to get to the bottom of the page
Issue: hard to find country section
Issue: color not too much recognizable
Issue: entry style looks dramatically different from others
Solution: make it look similar to others
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[overall] Lesson: make it easy for customers to participate promotional campaigns
[overall] Evaluation: 2/10 (this promotion could have been easier to participate)